🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 9.8

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.6 AU - 0.6 AU

Year: 315 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,235,157 km

• M1: 122,969 km (0.106 R)
• M2: 429,047 km (0.051 R)
• M3: 996,172 km (0.114 R)
• M4: 1,346,231 km (0.086 R)
• M5: 1,851,423 km (0.113 R)
• M6: 2,848,343 km (0.092 R)
• M7: 3,568,956 km (0.108 R)
• M8: 4,286,877 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 14.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1 AU - 1.18 AU

Year: 772 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,235,157 km

• M1: 185,501 km (0.061 R)
• M2: 710,739 km (0.042 R)
• M3: 1,200,373 km (0.088 R)
• M4: 1,914,853 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 11.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.65 AU - 1.65 AU

Year: 1438 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,235,157 km

• M1: 147,952 km (0.109 R)
• M2: 624,122 km (0.081 R)
• M3: 1,139,188 km (0.089 R)
• M4: 1,667,867 km (0.078 R)
• M5: 2,205,222 km (0.118 R)
• M6: 2,617,514 km (0.099 R)
• M7: 3,213,213 km (0.049 R)
• M8: 3,914,677 km (0.105 R)
• M9: 4,972,484 km (0.11 R)
• M10: 5,934,996 km (0.095 R)
• M11: 7,512,655 km (0.043 R)
• M12: 8,572,706 km (0.095 R)
• M13: 9,761,710 km (0.036 R)
• M14: 10,512,691 km (0.073 R)
• M15: 11,231,659 km (0.071 R)
• M16: 11,873,882 km (0.104 R)
• M17: 12,427,394 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 14.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.27 AU - 3.61 AU

Year: 3419 Days

Day: 12.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,235,157 km

• M1: 181,612 km (0.114 R)
• M2: 694,583 km (0.114 R)
• M3: 1,293,573 km (0.116 R)
• M4: 1,756,429 km (0.115 R)
• M5: 3,528,565 km (0.042 R)
• M6: 4,159,569 km (0.119 R)
• M7: 4,727,143 km (0.041 R)
• M8: 5,858,851 km (0.041 R)
• M9: 7,725,234 km (0.114 R)
• M10: 10,191,355 km (0.112 R)
• M11: 11,311,394 km (0.111 R)
• M12: 12,379,523 km (0.101 R)
• M13: 13,327,824 km (0.067 R)
• M14: 14,082,396 km (0.11 R)
• M15: 15,989,170 km (0.067 R)
• M16: 18,463,668 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.9

Radius: 10.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.58 AU - 5.06 AU

Year: 6090 Days

Day: 10.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,235,157 km

• M1: 134,189 km (0.061 R)
• M2: 525,238 km (0.069 R)
• M3: 881,879 km (0.065 R)
• M4: 1,351,467 km (0.079 R)
• M5: 1,821,354 km (0.058 R)
• M6: 2,791,496 km (0.106 R)
• M7: 3,278,886 km (0.099 R)
• M8: 6,988,165 km (0.075 R)
• M9: 8,143,958 km (0.096 R)
• M10: 10,371,770 km (0.078 R)
• M11: 11,585,308 km (0.051 R)
• M12: 13,199,020 km (0.105 R)
• M13: 15,102,803 km (0.099 R)
• M14: 16,763,040 km (0.083 R)
• M15: 17,989,892 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.4

Radius: 10.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.22 AU - 5.46 AU

Year: 8370 Days

Day: 10.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,235,157 km

• M1: 126,859 km (0.046 R)
• M2: 481,705 km (0.068 R)
• M3: 1,021,454 km (0.11 R)
• M4: 1,647,970 km (0.085 R)
• M5: 2,405,085 km (0.066 R)
• M6: 3,156,964 km (0.055 R)
• M7: 3,830,753 km (0.114 R)
• M8: 4,913,991 km (0.041 R)
• M9: 5,688,160 km (0.084 R)
• M10: 6,329,187 km (0.047 R)
• M11: 6,721,881 km (0.059 R)
• M12: 7,360,963 km (0.101 R)
• M13: 7,795,695 km (0.08 R)
• M14: 10,525,407 km (0.109 R)
• M15: 11,077,872 km (0.113 R)
• M16: 11,755,550 km (0.08 R)
• M17: 13,309,124 km (0.08 R)
• M18: 13,955,387 km (0.098 R)
• M19: 14,377,403 km (0.092 R)
• M20: 14,746,012 km (0.096 R)
• M21: 16,549,863 km (0.113 R)
• M22: 22,344,237 km (0.083 R)
• M23: 27,439,840 km (0.079 R)
• M24: 31,270,892 km (0.115 R)
• M25: 31,786,556 km (0.084 R)
• M26: 32,623,406 km (0.114 R)
• M27: 33,582,179 km (0.077 R)
• M28: 35,780,071 km (0.045 R)
• M29: 38,897,092 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.9

Radius: 3.6

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.71 AU - 7.87 AU

Year: 13350 Days

Day: 24.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,235,157 km

• M1: 44,730 km (0.105 R)
• M2: 166,951 km (0.071 R)
• M3: 451,935 km (0.106 R)
• M4: 743,801 km (0.096 R)
• M5: 896,690 km (0.11 R)
• M6: 1,355,207 km (0.088 R)
• M7: 1,701,825 km (0.096 R)
• M8: 4,092,699 km (0.102 R)
• M9: 6,997,889 km (0.082 R)
• M10: 8,287,124 km (0.081 R)
• M11: 8,925,907 km (0.111 R)
• M12: 9,857,153 km (0.111 R)
• M13: 10,897,906 km (0.118 R)
• M14: 11,324,409 km (0.111 R)
• M15: 13,679,528 km (0.087 R)
• M16: 18,450,803 km (0.089 R)
• M17: 31,090,177 km (0.032 R)
• M18: 31,468,810 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 12,136 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit